Intra-observer variability of Doppler measurements in umbilical artery (UA) and middle cerebral artery (MCA) in uncomplicated term pregnancies

References

• Akolekar R, Sarno L, Wright A, et al. Fetal middle cerebral artery and umbilical artery pulsatility index: effects of maternal characteristics and medical history. Ultrasound Obstet Gynecol. 2015;45(4):402–408.
   PubMed Web of Science ®Google Scholar
• Bakalis S, Akolekar R, Gallo DM, et al. Umbilical and fetal middle cerebral artery Doppler at 30-34 weeks' gestation in the prediction of adverse perinatal outcome. Ultrasound Obstet Gynecol. 2015;45(4):409–420.
   PubMed Web of Science ®Google Scholar
• Akolekar R, Syngelaki A, Gallo DM, et al. Umbilical and fetal middle cerebral artery Doppler at 35-37 weeks' gestation in the prediction of adverse perinatal outcome. Ultrasound Obstet Gynecol. 2015;46(1):82–92.
   PubMed Web of Science ®Google Scholar
• Meher S, Hernandez-Andrade E, Basheer SN, et al. Impact of cerebral redistribution on neurodevelopmental outcome in small-for-gestational-age or growth-restricted babies: a systematic review. Ultrasound Obstet Gynecol. 2015;46(4):398–404.
   PubMed Web of Science ®Google Scholar
• Stampalija T Arabin B, Wolf H, Bilardo CM. Is middle cerebral artery Doppler related to neonatal and 2-year infant outcome in early fetal growth restriction? Am J Obstet Gynecol. 2017;216:521.
   PubMed Web of Science ®Google Scholar
• DeVore GR. The importance of the cerebroplacental ratio in the evaluation of fetal well-being in SGA and AGA fetuses. Am J Obstet Gynecol. 2015;213(1):5–15.
   PubMed Web of Science ®Google Scholar
• Figueras F, Gratacos E, Rial M, et al. Revealed versus concealed criteria for placental insufficiency in an unselected obstetric population in late pregnancy (RATIO37): randomised controlled trial study protocol. BMJ Open. 2017;7(6):e014835.
   PubMed Web of Science ®Google Scholar
• Bligh LN, Alsolai AA, Greer RM, et al. Cerebroplacental ratio. Cerebroplacental ratio thresholds measured within two weeks of birth and the risk of Cesarean section for intrapartum fetal compromise and adverse neonatal outcome. Ultrasound Obstet Gynecol. 2018; 52(3):340–346.
   PubMed Web of Science ®Google Scholar
• Rizzo G, Pietrolucci ME, Mappa I, et al. Modeling gestational age centiles for fetal umbilicocerebral ratio by quantile regression analysis: a secondary analysis of a prospective cross-sectional study. J Matern Fetal Neonatal Med. 2020:1–5. DOI:10.1080/14767058.2020.1849123. Online ahead of print.
   Web of Science ®Google Scholar
• Thomas JT, Muller P, Baghurst P, et al. Interobserver variability in the measurement of fetal middle cerebral artery peak systolic velocity in a tertiary fetal medicine unit. Ultrasound Obstet Gynecol. 2008;32(1):77–81.
   PubMed Web of Science ®Google Scholar
• Di Mascio D, Rizzo G, Buca D, et al. Comparison between cerebroplacental ratio and umbilicocerebral ratio in predicting adverse perinatal outcome at term. Eur J Obstet Gynecol Reprod Biol. 2020;252:439–443. Sep
   PubMed Web of Science ®Google Scholar
• Lebovitz O, Barzilay E, Mazaki-Tovi S, et al. The clinical value of maternal and fetal Doppler parameters in low-risk postdates pregnancies – a prospective study. J Matern Fetal Neonatal Med. 2018;31(21):2893–2897.
   PubMed Web of Science ®Google Scholar
• Schenone MH, Mari G. The MCA Doppler and its role in the evaluation of fetal anemia and fetal growth restriction. Clin Perinatol. 2011;38(1):83–102.
   PubMed Web of Science ®Google Scholar
• Giancario M, Abuhamad AZ, Cosmi E, Segata M, Altaye M, Akiyama M. Middle Cerebral Artery Peak Systolic Velocity. Technique and Variability. J Ultrasound Med. 2005;24:425–430.
   PubMed Web of Science ®Google Scholar
• Altman DG. Practical statistics for medical research. London: Chapman and Hall; 1991.
   Google Scholar
• Vannuccini S, Torricelli M, Bocchi C, et al. Fetal middle cerebral artery Doppler in late-term pregnancy: a predicting factor for failed induction of labor. J Matern Fetal Neonatal Med. 2018;31(20):2756–2762.
   PubMed Web of Science ®Google Scholar
• Figueras S, Fernandez S, Eixarch E, et al. Middle cerebral artery pulsatility index: reliability at different sampling sites. Ultrasound Obstet Gynecol. 2006;28(6):809–813.
   PubMed Web of Science ®Google Scholar
• Pasquini L, Marchi L, Gaini C, et al. Intra- and interobserver reproducibility of third trimester middle cerebral artery pulsatility index measurement: a prospective cross-sectional study. Fetal Diagn Ther. 2020;47(3):214–219.
   PubMed Web of Science ®Google Scholar
• Bayrak M, Sancak A. Association between antenatal maternal anxiety and fetal middle cerebral artery Doppler depends on fetal gender. J Matern Fetal Neonatal Med. 2020;22:1–6.
   Google Scholar
• Opheim GL, Zucknick M, Henriksen T, et al. A maternal meal affects clinical Doppler parameters in the fetal middle cerebral artery. PLoS One. 2018;13(12):e0209990.
   PubMed Web of Science ®Google Scholar
• Avitan T, Sanders A, Brain U, et al. Variations from morning to afternoon of middle cerebral and umbilical artery blood flow, and fetal heart rate variability, and fetal characteristics in the normally developing fetus. J Clin Ultrasound. 2018;46(4):235–240.
   PubMed Web of Science ®Google Scholar
• Severi FM, Boni C, Bruni L, et al. The increase of blood flow in the fetal middle cerebral artery correlates with the onset of labor at term. Reprod Sci. 2008;15(6):584–590.
   PubMed Web of Science ®Google Scholar